IP Library Assignment 014651/0080
Patent Assignment
Reel/Frame 014651/0080

Assignment of Assignor's Interest

Recorded: 2003-10-30 Pages: 4
Assignors
SLACK, MAURICE WILLIAM
Executed: 2003-10-29
KAISER, TRENT MICHAEL VICTOR
Executed: 2003-10-29
Assignee
TESCO CORPORATION
6204 - 6A STREET SE, CALGARY T2P 2H7, ALBERTA, CANADA
Covered Property (1)
Method for Preparing Casing for Use in a Wellbore
Patent: 6,679,335 →
Application: 10/170,414 →
Publication: US 2003/0019637
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Feb 8, 2019
From: TESCO CORPORATION
To: NABORS DRILLING TECHNOLOGIES USA, INC.
Reel/Frame 048290/0605 →